Monostat tool usage

Mongostat is a command line tool that connects to the mongodb server and displays the status of the server.

The following is a simple example:

Run commands directly on the primary server without Parameters

root@vm1:~# mongostatconnected to: 127.0.0.1insert  query update delete getmore command flushes mapped  vsize    res faults    locked db idx miss %     qr|qw   ar|aw  netIn netOut  conn set repl       time    *0      1     11     *0      19     3|0       1  1.28g  3.17g  1.13g      0 kaimei:73.4%          0       0|0     0|0    69k     7k    42 rs1  PRI   13:15:32    *0      2     16     *0      32     3|0       0  1.28g  3.17g  1.13g      0 kaimei:22.2%          0       0|0     0|1    38k     8k    42 rs1  PRI   13:15:33    *0      2    148     *0     151     2|0       0  1.28g  3.17g  1.13g      0 kaimei:62.6%          0       0|0     1|0    58k    52k    42 rs1  PRI   13:15:34    *0      1    112     *0     150     2|0       0  1.28g  3.17g  1.13g      0 kaimei:52.9%          0       0|0     0|0    70k    41k    42 rs1  PRI   13:15:35    *0      2     58     *0      48     2|0       0  1.28g  3.17g  1.13g      0 kaimei:44.2%          0       0|0     0|1    49k    21k    42 rs1  PRI   13:15:36

 
By default, a call is executed every second (called a call in this document) and the result is displayed as one line.

Some parameters can be used.

Sleeptime parameter, for example:

root@vm1:~# mongostat 10connected to: 127.0.0.1insert  query update delete getmore command flushes mapped  vsize    res faults    locked db idx miss %     qr|qw   ar|aw  netIn netOut  conn set repl       time    *0      1     34     *0      57     3|0       0  1.28g  3.17g  1.13g      0 kaimei:52.6%          0       0|0     1|0    47k    13k    42 rs1  PRI   13:18:19    *0      1      8     *0      14     3|0       0  1.28g  3.17g  1.13g      0 kaimei:52.6%          0       0|0     0|0    42k     3k    42 rs1  PRI   13:18:29    *0      1     62     *0     100     3|0       0  1.28g  3.17g  1.13g      0 kaimei:54.8%          0       0|0     1|0    46k    24k    42 rs1  PRI   13:18:39    *0      1     11     *0      19     3|0       0  1.28g  3.17g  1.13g      0 kaimei:52.2%          0       0|0     0|0    43k     5k    42 rs1  PRI   13:18:49

-N indicates the number of calls, for example
Oot @ vm1 :~ # Define stat-n 2 connected: 127.0.0.1 insert query update delete getmore command flushes mapped vsize res faults locked db idx miss % qr | qw ar | aw netIn netOut conn set repl time * 0 2 5*0 8 1 | 0 0 0 1.28g 3.17g 1.13g 0 kaimei: 24.7% 0 0 | 0 1 | 0 20 k 4 k 42 rs1 PRI 13:21:14*0 1 54*0 84 3 | 0 0 1.28g 3.17g 1.13g 0 kaimei: 59.9% 0 0 | 0 0 | 0 61 k 22 k 42 rs1 PRI 13:21:15

You can also use-n and sleeptime in combination.

Mongostat-n 10 10

It means to call every 10 seconds and exit after 10 times.

The-v parameter can output detailed information about the unzip STAT command, for example:

Root @ vm1 :~ # Define stat-v-n 2
Wed Dec 11 13:27:11. 727 creating new connection to: 127.0.0.1: 27017
Wed Dec 11 13:27:11. 727 BackgroundJob starting: ConnectBG
Wed Dec 11 13:27:11. 728 connected connection!
Connected to: 127.0.0.1
Insert query update delete getmore command flushes mapped vsize res faults locked db idx miss % qr | qw ar | aw netIn netOut conn set repl time
* 0 1 10*0 23 3 | 0 0 1.28g 3.17g 1.13g 0 kaimei: 26.7% 0 0 | 0 0 | 1 37 k 6 k 42 rs1 PRI 13:27:12
* 0 2 65*0 121 3 | 0 0 1.28g 3.17g 1.12g 0 kaimei: 66.0% 0 0 0 | 0 1 | 0 49 k 28 k 42 rs1 PRI 13:27:13

-- Discover can obtain the status information of the entire replica-set member. For example:

Unzip stat -- discover
Connected to: 127.0.0.1

Insert query update delete getmore command flushes mapped vsize res faults locked db idx miss % qr | qw ar | aw netIn netOut conn set repl tim \
E
Localhost * 0 2 24*0 34 9 | 0 0 1.28g 3.17g 1.13g 0 kaimei: 39.9% 0 0 | 0 1 | 0 46 k 14 k 43 rs1 PRI 29 \
1

Localhost * 0 1 5*0 4 1 | 0 0 1.28g 3.17g 1.13g 0 kaimei: 55.1% 0 0 | 0 0 0 | 0 52 k 3 k 43 rs1 PRI \
2
Vm1: 27017 no data
Vm3: 27017 no data
Vm4: 27017 no data

Localhost * 0 2 5*0 8 10 | 0 0 1.28g 3.17g 1.13g 0 kaimei: 26.5% 0 0 0 | 0 1 | 0 21 k 10 k 44 rs1 PRI \
3
Vm1: 27017*0 2 5*0 8 10 | 0 0 1.28g 3.17g 1.13g 0 kaimei: 26.6% 0 0 | 0 1 | 0 21 k 10 k 44 rs1 PRI \
3
Vm3: 27017*0*0*2*0 4 | 0 0 1.28g 3.12g 485 m 0 local: 0.1% 0 0 | 0 0 | 0 304b 4 k 14 rs1 SEC \
3
Vm4: 27017*0*0*2*0 4 | 0 0 1.28g 3.13g 485 m 0 local: 0.2% 0 0 | 0 0 | 0 304b 4 k 14 rs1 SEC \
3